Xiaomi Smart Band 8 Pro

1.74-inch 2.5D curved AMOLED Screen.
Heart-rate monitor, SpO2 sensor, sleep tracker.
A menstrual cycle monitor for women.
GNSS chip supporting five satellite systems.
Up to 14 days battery life, convenient Magnetic Charging.
Connect via Bluetooth 5.3.
Waterproof, 5ATM water resistance